Treatment of Chlorinated Solvents in a Bioreactor Employing Methane-Oxidizing Bacteria

氯化溶剂，如三氯乙烯、氯乙烯和氯仿是环境中广泛存在的持久性污染物。这些化合物已被证明很容易被甲烷氧化细菌生物降解。我们建议设计和现场测试一个中试规模的创新生物处理系统，利用这些细菌在一个旋转生物承包商（RBC）。RBC将提供最大的气体转移（甲烷和氧气）给生物体，通过共氧化来分解氯化化合物。这种方法将广泛应用于处理被三氯乙烯和其他氯化溶剂污染的废水、地下水和渗滤液。

Chlorinated solvents such as trichloroethylene, vinyl chloride and chloroform are widespread, persistent contaminants in the environment. These compounds have been shown to be readily biodegradable by methane-oxidizing bacteria. We propose to design and field test a pilot scale innovative biological treatment system, utilizing these bacteria in a Rotating Biological Contractor (RBC). The RBC will provide maximum gas transfer (methane and oxygen) to the organisms to bring about the breakdown of the chlorinated compounds by co-oxidation. This approach will have broad applications in the treatment of waste waters, ground waters and leachates contaminated with trichloroethylene and other chlorinated solvents.